Cast Iron Welding Electrodes Specification Z308 Z408
The cast iron Welding Electrode is a medium coated graphite based cast iron electrode, and its weldment is pure Nickel, specially designed for welding cast-iron in the cold way. The weld metal is free from cracks and porosity Arc is stable and smooth. All grades of castings, Pumps casing, gear housing, Engine blocks, valve bodies, Cast Iron Components.
Chemical Compossition of Deposited Metal (%)
|
| C | Mn | Si | S | P |
| Guaranteed value | ≤0.12 | 0.3~0.6 | ≤0.35 | ≤0.035 | ≤0.040 |
| Typical value | 0.07 | 0.4 | 0.25 | 0.019 | 0.025 |
Sizes, Length & Recommended Current (AC/DC)
| Diameter (mm) | φ2.0 | φ2.5 | φ3.2 | φ4.0 | φ5.0 |
| Length (mm) | 300 | 300 | 350 | 400 | 400 |
| Current (A) | 40~70 | 50~90 | 90~130 | 130~210 | 170~230 |
Mechanical Properties of Deposited Metal
|
| Rm (Mpa) | ReL(Mpa) | A(%) | KV2(J) | KV2(J) |
| Guaranteed value | σb≥420 | σs ≥ 330 | δ5 ≥ 17 | (normal temperature) | -(0°C) |
| Typical value | 460~540 | ≥ 340 | 18~26 | 50-80 | ≥ 47 |
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